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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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CS4525-CNZ Fiches technique(PDF) 2 Page - Cirrus Logic |
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CS4525-CNZ Fiches technique(HTML) 2 Page - Cirrus Logic |
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2 / 98 page  2 DS726PP1 CS4525 Software Mode System Features Digital Audio Processing – 5 Programmable Parametric EQ Filters – Selectable High-Pass Filter – Bass/Treble Tone Control – Adaptive Loudness Compensation – 2-Channel Mixer – 2.1 Bass Management – 24 dB/octave Linkwitz-Riley Crossover Filters – De-emphasis Filter Selectable Serial Audio Interface Formats – Left-Justified up to 24-bit – I²S up to 24-bit – Right-Justified 16-, 18-, 20-, 24-bits Digital Serial Connection to Additional CS4525 or DACs for Subwoofer Digital Interface to External Lip-Sync Delay PWM Switch Rate Shifting Eliminates AM Frequency Interference Digital Volume Control with Soft ramp – +24 to -103 dB in 0.5 dB steps Programmable Peak Detect and Limiter 2-Channel Logic-Level PWM Output – Programmable Channel Mapping – Can Drive an External PWM Amplifier, Headphone Amplifier, or Line-Out Amplifier – Integrated Headphone Detection Flexible Power Output Configurations Thermal Foldback for Interruption-Free Power-Stage Protection – Supports Internal and External Power Stages Operation from On-Chip Oscillator Driver or Applied Systems Clock Supports I²C® Host Control Interface Hardware Mode System Features 2-Channel Stereo Full-Bridge Power Outputs Analog and Digital Inputs I²S and Left-Justified Serial Input Formats Thermal Foldback for Interruption-Free Protection of Internal Power Stage Operation from Applied Systems Clock External Mute Input Common Applications Integrated Digital TV’s Flat Panel TV Monitors Computer/TV Monitors Mini/Micro Shelf Systems Digital Powered Speakers Portable Docking Stations Computer Desktop Audio General Description The CS4525 is a stereo analog or digital input PWM high efficiency Class D amplifier audio system with an integrated stereo analog-to-digital (A/D) converter. The stereo power amplifiers can deliver up to 15 W per channel into 8 Ω speakers from a small space-saving 48-pin QFN package. The PWM amplifier can achieve greater than 85% efficiency. The package is thermally enhanced for optimal heat dissipation which eliminates the need for a heatsink. The power stage outputs can be configured as two full- bridge channels for 2 x 15 W operation, two half-bridge channels and one full-bridge channel for 2 x 7 W + 1 x 15 W operation, or one parallel full-bridge channel for 1 x 30 W operation. The CS4525 integrates on-chip over-current, under-voltage, and over-tempera- ture protection and error reporting as well as a thermal warning indicator and programmable foldback of the output power to allow cooling. The main digital serial port on the CS4525 can support asynchronous operation with the integrated on-chip sample rate converter (SRC) which eases system inte- gration. The SRC allows for a fixed PWM switching frequency regardless of incoming sample rate as well as optimal clocking for the A/D modulators. An on-chip oscillator driver eliminates the need for an external crystal oscillator circuit, reducing overall design cost and conserving circuit board space. The CS4525 automatically uses the on-chip oscillator driver in the absence of an applied master clock. The CS4525 is available in a 48-pin QFN package in Commercial grade (-10° to +70° C). The CRD4525-Q1 4-layer, 1 oz. copper and CRD4525-D1 2-layer, 1 oz. copper customer reference designs are also available. Please refer to “Ordering Information” on page 97 for complete ordering information. |
Numéro de pièce similaire - CS4525-CNZ |
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Description similaire - CS4525-CNZ |
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